Oase AquaActiv AlGo Direct Blanketweed Control 500ml

Directions Remove as much algae as possible prior to application and then evenly scatter 50 to 100ml per m2 of treated surface over the algae nests. Do not sprinkle on aquatic plants. Allow to take effect for 1 to 2 hours. Repeat dosage if algae start to grow again, but wait at least three days. Observe a safety interval of at least 12 hours in swimming ponds. Dilute the product residues with water and dispose of in the drainage system. Do not reuse empty packaging. Store in a dry location.